I TEM 21 A – CDP A PPLICATION N UMBER Main Beach City of Santa Cruz C ALIFORNIA C OASTAL C OMMISSION C ENTRAL C OAST D ISTRICT S LIDE 1

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 2 P ROJECT L OCATION San Lorenzo River Mouth

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 3 P ROJECT B ACKGROUND Coastal processes result in seasonal lagoon formation in late spring/summer Supports important habitat, including for listed species Also results in flooding of public infrastructure and private property

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 4 P ROJECT S ITE – O PEN C ONDITION

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 5 P ROJECT S ITE – C LOSED C ONDITION

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 6 P ROJECT D ESCRIPTION Temporary head-driven culvert Pilot project to assess functionality Application also seeks to authorize mechanized breaching in interim

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 7 T EMPORARY O UTLET C HANNEL

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 8 T EMPORARY O UTLET C HANNEL

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 9 H EAD - DRIVEN C ULVERT

I TEM 21 A – CDP A PPLICATION N UMBER S LIDE 10 R ECOMMENDATION Approval with Conditions